Here you will find one or more explanations in English for the word Air hole.
Also in the bottom left of the page several parts of wikipedia pages related to the word Air hole and, of course, Air hole synonyms and on the right images related to the word Air hole.
Air hole
Air hole Air hole (A["e]ronautics)
A local region in the atmosphere having a downward movement
and offering less than normal support for the sustaining
surfaces of a flying machine.
Air hole
Air hole Air" hole` (h[=o]l`).
1. A hole to admit or discharge air; specifically, a spot in
the ice not frozen over.
2. (Founding) A fault in a casting, produced by a bubble of
air; a blowhole.
Meaning of Air hole from wikipedia